<?php
/*echo $_SERVER['HTTP_X_REQUESTED_WITH'];// <font color='#888a85'>=&gt;</font> <small>string</small> <font color='#cc0000'>'XMLHttpRequest'</font> <i>(length=14)</i>
$obj = new stdClass();
$obj->param = 'd';
var_dump($_SERVER);*/
echo json_encode($_REQUEST);